Finding the Fourth Proportional to 606,443,520.84, 836,892,059.58 and 327,985,045.08
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Solution
The fourth proportional to 606,443,520.84, 836,892,059.58 and 327,985,045.08 is: 452,619,362.65
Step by Step Solution
- Step 1: Write the proportion equation
606,443,520.84 : 836,892,059.58 = 327,985,045.08 : x - Step 2: Convert to fraction form
606,443,520.84/836,892,059.58 = 327,985,045.08/x - Step 3: Cross multiply
606,443,520.84x = 836,892,059.58 × 327,985,045.08 - Step 4: Simplify right side
606,443,520.84x = 274,488,079,888,440,352 - Step 5: Solve for x
x = 274,488,079,888,440,352/606,443,520.84 - Step 6: Final answer
x = 452,619,362.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.